removed extra /f claim alias ("claim" was in there twice)

src/com/massivecraft/factions/cmd/CmdClaim.java

@@ -27,8 +27,6 @@ public class CmdClaim extends FCommand
 		senderMustBeMember = false;
 		senderMustBeOfficer = false;
 		senderMustBeLeader = false;
-		
-		aliases.add("claim");
 	}
 	
 	@Override